If Amy were 15 cm taller, she would be 5cm taller than Joanne. If Joanne were 30% shorter, she would be 29cm shorter than Amy. Find the sum of the heights of Amy and Joanne

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Evaluate the expression. (9 + 5)(3 + 2)0

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex